Posts Tagged ‘Short tip’

Recently I needed access to a HP Management Processor (MP) without knowing the appropriate IP address. A possibility is to utilize a serial connection to the MP – but this is kinda complicated if you … Read more

It is a common procedure to use templates (“golden images“) when deploying virtual machines. Recently I had an issue when deploying SLES machines – newly registered systems within SUSE Manager replaced older one. The management … Read more

Recently I had some issues with a Linux cluster running Corosync, Pacemaker and Apache. I was unable to run the redskin as ressource – starting always failed with “invalid parameter“: # crm resource start apache … Read more

Every Linux user knows the following scenario: a running process should be moved to another terminal. An example: an application update takes longer than expected and the status should be monitored on the go in GNU … Read more

When reinstalling one of my homelab vSphere cluster nodes I noticed again, that the Intel driver ixgbe is not part of the ESXi base image. This driver is needed for my Supermicro mainboard X10SDV-TP8F in order to … Read more

To find out the WWN port name of a HBA under Linux, reading the port_name file is sufficient – e.g. for all HBAs: $ cat /sys/class/scsi_host/host*/device/fc_host/host*/port_name 0x2002f6dc44b8e2b6 0x2001f6dc44b8e2b6

I’m currently working on a blog post series about Foreman, Katello and Red Hat Satellite 6. Here’s the link collection for beginners: “Introduction and installation” (also published on Pro-Linux ) “Products, Repositories and Content Views” (also published … Read more

Recently, I had to remove a SAN LUN on a physical Enterprise Linux system. The first step was to alter the multipath service configuration file (/etc/multipath.conf) and make the daemon reload its configuration: # vi … Read more